Pioneer Elite PureVision PRO 1410HD, Руководство по обслуживанию и обучению

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NEC Plasma Display
Cause/ Countermeasure :
④
If the connector CN7909 disconnected from Data Relay Board (RD) is short-circuited between Pin 1 (or 2) and GND
(Pin 3 or 4)
⇒
Data IC is broken
⇒ Repair
PDP.
⑤
If the connector CN7909 disconnected from Data Relay Board (RD) is short-circuited between Pin 5 (or 6) and GND
(Pin 3 or 4)
⇒
Data Relay Board (LD) or (RD) is failed
⇒
a) If the connector CN7808 disconnected from Data Relay Board (LD) is short-circuited between Pin 8
and GND (Pin 3 or 7)
⇒
Data Relay Board (LD) is failed
⇒
Exchange Data Relay Board (LD).
b) If the connector CN7908 disconnected from Data Relay Board (RD) is short-circuited between Pin 8
and GND (Pin 3 or 7)
⇒
Data Relay Board (RD) is failed
⇒
Exchange Data Relay Board (RD).
OK: Open
NG: Short
Data Relay Board (RD)
CN7909
Data Relay Board (RD) Data Relay Board (LD)
CN7808 CN7908 ＣＮ
7909
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